package Simple05.s02

import Simple05.s02.Callback
import Simple05.s02.Callback2

// 默认是 public final class Person 不能被人家继承的      abstract有open的特征 相当于open
abstract class Person (): Callback , Callback2 {

    abstract fun getLayoutID() : Int
    //返回空
    abstract fun initView(): Unit

}